Vitis Home Page
All Vitis County Maps


If you are evaluating these maps, please be sure to complete the initial registration form.
Listing of all occurrance records for all species
Listing of all USDA Plants and Bonap records

Supporting information on method and taxonomy

Taxonomic concept


Taxon : Vitis rupestris ,
Accepted Synonym(s) : NA
Excluded from concept : NA
NatureServe Concept Reference: Kartesz 1994
Relationship to Flora of North America: Equal
Taxonomic Notes: Vitis rupestris is a distinctive upright grape, not vining, yet easily confused with unusual individuals of some other species. It occasionally hybridizes with other co-occurring species of native grapes (as in the Potomac River Gorge).
NatureServe Classification Status: Accepted/Standard
This species is included in FNA : TRUE

Details on the map elements

Written description of the features on the map.

County Level Features

All county level features report information that as aggregated to the county level. This include text reference to the county (state/county) and spatial point reference that occur within the county.

  • Counties with a record : This is a binary presence absence map that shows if a specific county has at least one record of the the species from across all evaluated sources.

  • Sum of records within County : This layer depicts the total number of unique records of a species across all sources within a county.

  • Counties listed in USDA Plants and/or Bonap Only : These counties only contain a reference from USDA Plants and/or BONAP. There are no identified observation, herberium, or germplasm records from these counties.

  • Counties with one or more Herbarium or Germplasm record : These counties has at least one herbarium and/or germplasm occurrence. There may be additional record sources within this county.

  • Counties with observational records only : These counties only have species records from observational datasources such as INaturalist.

Spatial Data Occurrence Features

The spatial data occurrence features are location records with valid latitude and longitude values. As such, all these features are shown on the the map as point locations.

  • Location based Germplasm Records : Occurrence data with living specimens stored in genebanks or botanical gardens

  • Location based Herbarium Records with web url : Occurrence data with associated herbarium specimens. That includes a web visable reference for the herbarium records.

  • Location based Herbarium Records without web url : Occurrence data with associated herbarium specimens. No web visable reference for the herbarium records is included.

  • Location Based Observation data : Validated records from INaturalist. Only research grade observations are used. These observations are approve as correctly identified by at least two other member of the online community.

General Methods

Gathering Data

Data was gathered at the Genus level from the following

public repositories

  • Seinet
  • Genesys
  • Wiews
  • GRIN
  • USDA Plants
  • Crop Wild Relative 2020 publication

Sourced through communication with data owners

  • 2023 Botanical Garden Survey
  • BONAP
  • IUNC

Data Standardization and Taxonomy

data standardization : All data sets were altered to matched a standard data structure. The specific translation of data sets can be seen here. The compileInputDatasets.r and the specific functions within the functions folder.

Taxonomy: The full synonyms cross walk can be viewed here.

Spatial Reference

When latitude and longitude data is present for a record this information was used to assign the state/country. When valid latitude and longitude values were not provide the state and county reference information was pulled from the attribute data associated with the record. If no valid county information was included in the attribute data, the record was not used within this analysis.

Flora of North America

If state level distribution information was provided for a given specific species, that information was used to filter the states in which counties are evaluated.

Map of County and Point Records

Summary of occurrence Data

This table includes all records not just those with valid latitude and longitude information.

Summary Table of County Data

The table below display additional attribute data for all the counties with know observation on the the selected taxon. All columns can be filtered and sorted. The follows states are included in the FNA designation Pennsylvania, Texas, Virginia, Maryland, Oklahoma, Missouri, Kentucky, Arkansas, Tennessee, West Virginia, Indiana

Data exluded by FNA state filter

If the species state level range has been defined by the Flora of North America, then all spatial data has been clip to the that extent. The table below shows the occurrence data that has been removed by the FNA filter.

The following States are included in the FNA description : Pennsylvania, Texas, Virginia, Maryland, Oklahoma, Missouri, Kentucky, Arkansas, Tennessee, West Virginia, Indiana